AC’s CHECKLIST IN DESIGN EVALUATION REPORT Project Title ________________________________________________________________ ________________________________________________________________ Project Reference No: _________________________ ST _________________ Name of AC: _________________________ Name of PE assisting AC: _________________________ Name of engineers assisting AC Highest Qualification / Name of University Total years of design experience PART A:- OVERALL DESIGN REVIEW TASKS For the design check on the building or structures in this submission, I confirm that I have evaluated, analyzed and reviewed the foundation and structural design with a view to determining their structural adequacy. Besides other tasks, I have specifically performed the following tasks and have found that the building or structures designed are structurally adequate and safe:(I) Codes Of Practice -used appropriate codes for the design check (II) Design Loadings -checked that loadings used in design are appropriate and adequate -used appropriate load combinations to check the design (III) Structural Analysis -used appropriate engineering information and models in the analysis -ascertained the design assumptions and limitations of the computer programs used which preferably should be different from that used by the design QP (IV) Stability & Robustness BEV/A3 [Ver 3.0_Dec_2014] Page 1 of 12 -determined the stability and robustness of the structural system, including considerations for lateral loads, lateral ties, bracings and lateral transfer of loads (V) All Key Structural Elements -analysed and checked the design of all key structural elements and the foundation system (VI) Structural Drawings -checked that the detailings in drawings of all key structural elements are adequate and consistent with the intentions in design calculations (VII) Other Aspects in Design -determined the adequacy of other aspects of design which are peculiar to the building to be constructed or affected by the building works and which are essential to the structural integrity of the building Part B: - FOUNDATION & STRUCTURAL ELEMENTS For the following foundation and structural elements or structures, besides other engineering considerations made by me, I have specifically carried out all the tasks as described in the table below and confirmed that their designs are structurally adequate and safe: - BEV/A3 [Ver 3.0_Dec_2014] Page 2 of 12 (I) Foundation Please tick one: Applicable Foundation Foundation loads Not Applicable Specific Design Tasks Carried Out Appropriate values of dead, live ,wind and notional loads have been used Column loads have been appropriately computed Effects of wind and notional loads on the building or structure have been checked Comparison of the loading computation by the QP & AC has been carried out Piles have been designed for skin friction and end bearing capacities Piles have been designed for lateral loads and bending moment Pile joints have been designed for Piles have been designed for uplift Socketings have been designed for piles with short penetration depths Piles have been designed for negative skin friction Appropriate allowable bearing capacity of soil has been assumed in design Appropriate modulus of sub-grade reaction of the soil has been assumed in design Appropriate model used for structural analysis of the raft The raft has been designed to resist punching shear from columns The building or structure has been designed to cater for probable differential and total settlement. Applicable (√ ) / Not Applicable (X) Piles Raft BEV/A3 [Ver 3.0_Dec_2014] Page 3 of 12 (II) Building / Structural Systems (a) Building of less than 30 Storeys Please tick one: Items Applicable Not Applicable Specific Design Tasks Carried Out (i) Designed for wind loads (ii) Designed for notional loads (iii) Stability system has been identified and evaluated to be adequate and robust (iv) Designed corewalls and columns to resist lateral loads due to wind and notional loads in both directions (v) Provided adequate internal and peripheral ties at floor levels (vi) Designed for capacities to resist base overturning moment and base shear (vii) Designed for building sway (p-delta effect) BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Page 4 of 12 (b) Building of 30 Storeys or higher Please tick one: Items Applicable Not Applicable Specific Design Tasks Carried Out (i) Designed for wind loads (ii) Designed for notional loads (iii) Stability system has been identified and evaluated to be adequate and robust (iv) Designed corewalls and columns to resist lateral loads due to wind and notional loads in both directions (v) Provided adequate internal and peripheral ties at floor levels (vi) Designed for capacities to resist base overturning moment and base shear (vii) Designed for building sway (p-delta effect) (viii) Designed to limit overall lateral deflection of building (ix) Designed to limit inter-storey drift of building (x) Columns and walls have been checked for resistance to dynamic effects due to wind on the building (xi) Checked for Requirements for Wind Tunnel Tests (xii) Checked for long term lateral deflection of building under gravity load BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Page 5 of 12 (c) Building with Structural Steel Elements Please tick one: Items Applicable Not Applicable Specific Design Tasks Carried Out (i) Designed for bolted and welded connections of supports and member and splice joints (ii) Checked for in-plane and out-of-plane stability of frames (iii) Designed for bracings and longitudinal ties for overall stability (iv) Designed for wind load on the building/structure (v) Designed for lateral stability and torsional rigidity of structural elements and trusses (vi) Support conditions assumed in design have been checked against details provided (vii) Type of joint connections provided between members are consistent with joint rigidity adopted in the analysis and design (d) Applicable (√ ) / Not Applicable (X) Building with Precast Concrete Elements Please tick one: Applicable Not Applicable Items Specific Design Tasks Carried Out (i) All joint connections between precast members and precast to insitu concrete members have been designed for (ii) Loading conditions on precast members during erection or construction stage have been considered (iii) Sufficient rigidity in the structural frame has been provided for to resist lateral loads (iv) Adequate internal & peripheral ties have been provided in floors (v) All interface shear stresses have been checked (vi) Detailing of precast elements and structural joints have been checked BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Page 6 of 12 (e) Building with Prestressed Concrete Structures Please tick one: Items Applicable Not Applicable Specific Design Tasks Carried Out (i) Maximum prestress force and prestress losses for prestressed elements have been computed according to code requirements (ii) Stresses for elements have been checked at transfer and service stages (iii) Shear capacity has been designed for in prestressed elements (iv) For transfer beams and long span beams, consideration of stage stressing has been made in design (v) End block design has been checked (vi) Details of prestressed elements, tendon profile, etc. have been checked (f) Applicable (√ ) / Not Applicable (X) Building with Complex Structural Systems Please tick one: Applicable Not Applicable Items Structural Systems (i) Structural system with more than 2 transfer floor levels of which each carrying at least 3 floors; or structural system with cantilever transfer element carrying more than 5 floors (ii) Inclined or curved building (offset of floor plate more than 3m from the edge of the floor above or below) (iii) Structures with unconventional geometry (e.g. dome or archshaped) (iv) Large span structures (with span more than 40m) or large cantilever span structures (where cantilever span is more than 8m) BEV/A3 [Ver 3.0_Dec_2014] To contact BCA for consultation (√ ) / Not Applicable (X) Page 7 of 12 (III) Specific Structural Elements Please tick one: Applicable Structural Elements Not Applicable Specific Design tasks carried out Effective height has been computed according to code Bending moment about minor axis has been designed for Additional bending moment due to slenderness has been designed for Biaxial bending moment has been designed for Columns supporting transfer beams Designed for bending moment due to frame action Columns supporting long span beams Designed for bending moment due to frame action Columns supporting cantilever beams Designed for bending moment due to frame action Designed for horizontal load and moment acting on columns due to arched or pitched roof Designed for bending moment at the column base Designed for bending moment due to frame action Slender Columns Columns in a two column frame system BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Locations in Building (specify the storey levels or reference grids) Page 8 of 12 Structural Elements * Cantilever beams Long span beams Specific Design tasks carried out Cantilever support has been designed to resist bending moment and shear Designed for lateral stability of beam Designed to meet allowable span depth ratio Torsional rigidity of beam has been checked. Designed for lateral restraint of beams Designed for support and member connections Designed to meet allowable span depth ratio Designed for torsional capacity Designed for shear capacity Designed for all relevant upper floor loads on the beam Designed for lateral restraint of beam Transfer Beam supporting sloping members designed for both in-plane and out-of-plane forces Comparison bending moments and shear forces computation by QP & AC carried out Transfer beams BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Locations in Building (specify the storey levels or reference grids) Page 9 of 12 Structural Elements * Flat slabs/plates Cantilevered structures with tie-backs BEV/A3 [Ver 3.0_Dec_2014] Specific Design tasks carried out Appropriate model used for analysis Span/depth ratio of slab has been checked Adequacy of top and bottom reinforcement throughout slab panel have been checked Designed to resist punching shear from columns and walls Openings in slabs, especially near columns, have been designed for Torsional rigidity at slab edges has been checked Effects of construction loads have been checked Designed tie-back anchorage to resist pull-out Designed for lateral stability of the structure Designed for the durability of the tie-backs Designed for redundancy to resist total collapse Applicable (√ ) / Not Applicable (X) Locations in Building (specify the storey levels or reference grids) Page 10 of 12 (IV) Earth Retaining Structures Please tick one: Items Applicable Not Applicable Specific Design tasks carried out (i) Geotechnical parameters adopted for design of ERSS are consistent with site investigation report and published literature (ii) Structure has been designed to resist overturning , sliding and bearing capacity failure (iii) Structure has been designed to resist slip circle failure (iv) Structure has been designed for onerous soil and water pressure acting on it (v) Adequate surcharge load has been taken into account in design (vi) ERSS checked for global stability, wall embedment, toe-stability, base heave and hydraulic uplift (vii) Opening (service openings in wall), discontinuity in temporary retaining walls has been checked for stability. (viii) Comparison of member forces computation for walls, struts, waler and kingposts by QP & AC has been carried out. BEV/A3 [Ver 3.0_Dec_2014] Applicable (√ ) / Not Applicable (X) Page 11 of 12 Part C: - MAJOR SHORTCOMINGS DETECTED DURING CHECKING Major Mistakes / Design Shortcomings Detected During Checking Changes made by QP Due to My Checking Part D: - OTHER COMMENTS BY AC ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ I hereby certified that I have specifically carried out all the tasks for the foundation and structural design as described in the tables above and confirmed that their design are structurally adequate and safe. Signature & stamp of AC: BEV/A3 [Ver 3.0_Dec_2014] _______________________ Date: ______________ Page 12 of 12